The Elaborate Design of Multi‐Polarization Effect by Non‐Edge Defect Strategy for Ultra‐Broad Microwave Absorption
Nanjing University of Aeronautics and Astronautics · Chungbuk National University
Abstract
Abstract Anion defect engineering is proven to be an efficient approach to reconstruct the electronic configuration of carbon‐based magnetoelectric materials for targeted modulation of electromagnetic (EM) performance. However, traditional mono‐anionic doping suffers from low defect concentration and lacks diverse polarization mechanisms. In this work, multi‐anions (N/S/F) stepwise‐doped carbon/Fe 3 C magnetoelectric composites are elaborately constructed, wherein the predesigned N defects serve as activated sites for anomalously adopting S anions (Step I) and subsequent F anions (Step II) in non‐marginal areas of the carbon layer. It is found that S prefers to replace pyrrolic N defects while F tends to form…
Citation impact
- FWCI
- 21.09
- Percentile
- 100%
- References
- 51
Authors
7- GFGang Fang
Nanjing University of Aeronautics and Astronautics
- CLChuyang LiuCorresponding
Nanjing University of Aeronautics and Astronautics
- MXMeng Xu
Nanjing University of Aeronautics and Astronautics
- XZXiaohan Zhang
Nanjing University of Aeronautics and Astronautics
- YWYue Wu
Nanjing University of Aeronautics and Astronautics
Topics & keywords
- Materials science
- Microwave
- Polarization (electrochemistry)
- Doping
- Broadband
- Optoelectronics
- Optics
- Telecommunications